Head to head
2
Hard
0
John Isner's wins on the left · Thiago Monteiro's on the right · bar lengths share one scale
All meetings (2)
| 2021 | Delray Beach | Hard | R16 | John Isner | 6-4 7-6(4) |
| 2020 | Australian Open | Hard | R128 | John Isner | 6-7(5) 7-6(4) 7-6(7) 7-6(5) |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.